diff --git a/app/javascript/js/controllers/fields/code_field_controller.js b/app/javascript/js/controllers/fields/code_field_controller.js
index ad09442c4d..c8bcfd5ffa 100644
--- a/app/javascript/js/controllers/fields/code_field_controller.js
+++ b/app/javascript/js/controllers/fields/code_field_controller.js
@@ -42,4 +42,8 @@ export default class extends Controller {
       })
     }, 1)
   }
+
+  disconnect() {
+    this.element.querySelector('.CodeMirror').CodeMirror.toTextArea()
+  }
 }